@article{ref1,
title="Fatigue, work decrement, and endurance in a simple repetitive task",
journal="British journal of medical psychology",
year="1963",
author="Pierson, W. R.",
volume="36",
number="",
pages="279-282",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0007-1129",
doi="",
url="http://dx.doi.org/"
}